Drone ban at Yosemite appears legally questionable(arstechnica.com)

http://arstechnica.com/tech-policy/2014/05/drone-ban-at-yosemite-appears-legally-questionable/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+arstechnica%2Findex+%28Ars+Technica+-+All+content%29